, and if the government pulls back too fast, if bernanke pulls back too fast or if the executive congressional branches pull back too fast, there is a question whether it would worsen things, i think that's legitimate. what i do believe you can put into place trigger mechanisms on medicare reforms, on medicaid reforms, on social security reforms, so that these things are in law and they're not just sort in imagination. it's hard, as you know, nor invei for investors to have much confidence in the future of the nation's finances when there's nothing and it's just talk and we're just continuing to talk. >> on that very point, there was a new report on rising life expectancy, which is a great thing, a great triumph of human medicine, but, you know, why don't we talk about raising the retirement age for medicare and social security gradually over the next 20, 30 years. it would save a lot of money. >> that's going to be a big discussion that we'll be having on this show very regularly, and we'll call on both of you to do it again, david gergen, cnn analyst, and stephen moore, "wall street journal" writer.